A new understanding of the Gemini-Monoceros X-ray enhancement from discoveries with eROSITA

Open Access

Table 1

Results from selected regions in the southeast, fit with a two-plasma spectral model.

Region	N_H	kT₁	O₁	Fe₁	norm₁	kT₂	Norm₂	Cstat/d.o.f.
	[10²² cm⁻²]	[keV]	[solar]	[solar]	[cm⁻⁵ arcmin⁻²]	[keV]	[cm⁻⁵ arcmin⁻²]
arc_E	0.000^+0.314	${0.130}_{- 0.130}^{+ 0.021}$ $\[0.130_{-0.130}^{+0.021}\]$	${2.100}_{- 2.050}^{+ 7.900}$ $\[2.100_{-2.050}^{+7.900}\]$	${0.098}_{- 0.048}^{+ 9.900}$ $\[0.098_{-0.048}^{+9.900}\]$	( ${0.53}_{- 0.51}^{+ 0.32}$ $\[0.53_{-0.51}^{+0.32}\]$ ) × 10⁻⁶	${0.089}_{- 0.018}^{+ 0.029}$ $\[0.089_{-0.018}^{+0.029}\]$	( ${1.18}_{- 0.66}^{+ 0.45}$ $\[1.18_{-0.66}^{+0.45}\]$ ) × 10⁻⁶	1.08
arc_S	${0.009}_{- 0.003}^{+ 0.008}$ $\[0.009_{-0.003}^{+0.008}\]$	${0.130}_{- 0.130}^{+ 0.009}$ $\[0.130_{-0.130}^{+0.009}\]$	${1.320}_{- 0.028}^{+ 0.251}$ $\[1.320_{-0.028}^{+0.251}\]$	${0.098}_{- 0.098}^{+ 2.390}$ $\[0.098_{-0.098}^{+2.390}\]$	( ${1.46}_{- 0.62}^{+ 0.16}$ $\[1.46_{-0.62}^{+0.16}\]$ ) × 10⁻⁶	${0.086}_{- 0.018}^{+ 0.037}$ $\[0.086_{-0.018}^{+0.037}\]$	( ${0.49}_{- 0.44}^{+ 0.50}$ $\[0.49_{-0.44}^{+0.50}\]$ ) × 10⁻⁶	1.16
arc_SE	0.000^+0.412	${0.426}_{- 0.043}^{+ 0.021}$ $\[0.426_{-0.043}^{+0.021}\]$	${2.080}_{- 1.030}^{+ 3.270}$ $\[2.080_{-1.030}^{+3.270}\]$	${3.490}_{- 1.320}^{+ 4.680}$ $\[3.490_{-1.320}^{+4.680}\]$	( ${0.14}_{- 0.08}^{+ 0.07}$ $\[0.14_{-0.08}^{+0.07}\]$ ) × 10⁻⁶	${0.125}_{- 0.004}^{+ 0.004}$ $\[0.125_{-0.004}^{+0.004}\]$	( ${1.27}_{- 0.09}^{+ 0.07}$ $\[1.27_{-0.09}^{+0.07}\]$ ) × 10⁻⁶	1.07
arc_outer_E	0.000^+0.231	${0.339}_{- 0.061}^{+ 0.058}$ $\[0.339_{-0.061}^{+0.058}\]$	${1.190}_{- 0.384}^{+ 0.440}$ $\[1.190_{-0.384}^{+0.440}\]$	${1.340}_{- 0.375}^{+ 0.530}$ $\[1.340_{-0.375}^{+0.530}\]$	( ${0.37}_{- 0.11}^{+ 0.16}$ $\[0.37_{-0.11}^{+0.16}\]$ ) × 10⁻⁶	${0.115}_{- 0.006}^{+ 0.005}$ $\[0.115_{-0.006}^{+0.005}\]$	( ${0.70}_{- 0.08}^{+ 0.06}$ $\[0.70_{-0.08}^{+0.06}\]$ ) × 10⁻⁶	1.05
central	0.000^+0.005	${0.187}_{- 0.006}^{+ 0.004}$ $\[0.187_{-0.006}^{+0.004}\]$	${1.320}_{- 0.205}^{+ 0.324}$ $\[1.320_{-0.205}^{+0.324}\]$	${0.098}_{- 0.098}^{+ 0.239}$ $\[0.098_{-0.098}^{+0.239}\]$	( ${0.30}_{- 0.09}^{+ 0.06}$ $\[0.30_{-0.09}^{+0.06}\]$ ) × 10⁻⁶	${0.082}_{- 0.007}^{+ 0.011}$ $\[0.082_{-0.007}^{+0.011}\]$	( ${1.06}_{- 0.22}^{+ 0.24}$ $\[1.06_{-0.22}^{+0.24}\]$ ) × 10⁻⁶	1.09
central_S2	${0.013}_{- 0.013}^{+ 0.055}$ $\[0.013_{-0.013}^{+0.055}\]$	${0.197}_{- 0.050}^{+ 0.058}$ $\[0.197_{-0.050}^{+0.058}\]$	${0.098}_{- 0.098}^{+ 1.290}$ $\[0.098_{-0.098}^{+1.290}\]$	${2.920}_{- 1.850}^{+ 3.900}$ $\[2.920_{-1.850}^{+3.900}\]$	( ${0.20}_{- 0.10}^{+ 1.04}$ $\[0.20_{-0.10}^{+1.04}\]$ ) × 10⁻⁶	${0.152}_{- 0.120}^{+ 0.003}$ $\[0.152_{-0.120}^{+0.003}\]$	( ${0.79}_{- 0.39}^{+ 0.03}$ $\[0.79_{-0.39}^{+0.03}\]$ ) × 10⁻⁶	1.06
central_W1	0.000^+0.020	${0.164}_{- 0.021}^{+ 0.016}$ $\[0.164_{-0.021}^{+0.016}\]$	${1.140}_{- 0.320}^{+ 0.581}$ $\[1.140_{-0.320}^{+0.581}\]$	${0.098}_{- 0.098}^{+ 0.679}$ $\[0.098_{-0.098}^{+0.679}\]$	( ${0.37}_{- 0.18}^{+ 0.47}$ $\[0.37_{-0.18}^{+0.47}\]$ ) × 10⁻⁶	${0.107}_{- 0.030}^{+ 0.013}$ $\[0.107_{-0.030}^{+0.013}\]$	( ${0.84}_{- 0.54}^{+ 0.26}$ $\[0.84_{-0.54}^{+0.26}\]$ ) × 10⁻⁶	1.09

Notes. The source model is TBABS × VAPEC₁ +APEC₂, where the absorbed VAPEC component represents the hotter diffuse emission in the back, and the APEC the unabsorbed soft emission in the front.

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